Background technology
The existing gas burner that is used to cook frame is constructed by assembling three master units that are placed on the another one: cup, described cup is limited to the culinary art frame and extends to a certain degree under described, central burner body, be provided with or function on have annular flame diffuser, and the loam cake that limits the upper wall of described doughnut usually as at least one doughnut of its sidewall.
By deformable supply pipe fluid be connected to the fuel gas supply source burner cup hold the injector that is used for described fuel gas, and central body usually on the culinary art frame or under cooperate Venturi tube (may radially), described Venturi tube be designed with fuel gas with from cook on the frame or under the air got mix mutually.Cup and burner body can stable manner be fixed together, and for example can combine by bolt, otherwise they can reciprocally and put, and to allow burner body be easy to be removed from cup, for example this is necessary in the process to the attended operation of burner.
Loam cake also can or simply be installed to central burner body by the removable mode that rests on it by the mode that can not remove substantially of threaded portion, to allow centerbody to be cleaned and to carry out maintenance work.Some known middle solutions are also arranged, connect by reversible machine, bayonet socket (bayonet) type for example, perhaps its middle cover reversibly by elastic device (for example, clip or spring chuck) be restricted to described cup and lid be fixed to burner body in temporary transient mode, between lid and cup, to keep central burner.
The reversible solution that is used for fixing lid like this proves useful, at first be on vehicle and canoe such as camper, van, when vehicle moves, having lid simply rests on the central burner body for stopping to cover and becomes that to remove from central burner body may be not enough, cause it to damage the culinary art frame, perhaps allow it can not use identical burner; And other solution that has stable connection between lid, body and cup causes cleaning and the attended operation complexity of described burner.
In addition, compare with other solution, can only join the lid to identical centerbody in the mode of transition, perhaps make the part in the outside of burner safeguard and finish the attended operation that relates to the whole burner of removing stage makeup and costume and become easily that this does not need to remove lid to the cup of identical burner.
Instructed will cover with annular flame burner and burner body with the United States Patent (USP) RE 22.877 (HARPER) of the burner with two concentric flame crowns to be connected by inserting some ribs, the described lid of groove that correspondence is arranged in the burner body is provided with described rib.Described groove has certain part that broadens, and rib can be inserted into the described part and remove from the described part that broadens of broadening, and some parts is designed to keep described rib.By directly supplying to flammable mixture in the burner body, and without its flush be installed to the culinary art frame in, therefore the HARPER burner is unpredictable, can not advise using combustion cup, and it not have description how the combustor component of three or more to be connected simultaneously in reversible mode.
But the french patent application FR 2.618.881 of MADEC-MATER has described a kind of install combustion device that flushes, comprise following glass, be connected on described following glass with axis body in the middle of one or more, described centre may be provided with the annular flame diffuser with axis body, and the loam cake that surrounds burner.Loam cake is fixed to burner cup (referring to Fig. 5 of MADEC-MATER patent) in reversible mode by threaded pin, its head keeps described lid, and its foot is formed and releasably is locked within the specific elastic retaining device (clip), and described burner cup is provided with described elastic retaining device.Central burner body further holds down lid by the nut that is threaded onto on the pin.
Even application FR 2.618.881 imagination is used the burner that comprises a plurality of parts, one of described part is placed on the top of another one, and keep together by reversible fixture, but, use elastic device to be used for keeping the shaping foot sold to make and become complicated in manufacture process, and by distortion for good and all, elastomeric element or clip may not be used to keep described pin, cause that so reversible fixture is along with the validity of time reduces gradually.
In addition, when lid when cup disconnects, the MADEC-MATER patent is anticipation loosely connected between lid and central burner body not, forces the loose nut of user can in the process of finishing the complete attended operation of burner these two parts being separated like this.
An object of the present invention is to provide one type gas burner, comprise following glass, at least one centerbody, the annular flame burner, preferably integrated with centerbody, and loam cake, described loam cake interconnects each other by reversible fixture, described reversible fixture is made simultaneously easily, and function is effective, and is convenient to actual use.
Other purpose of the present invention provides a kind of gas burner of type as described above, and portion perhaps has only on the exterior section within it, and the user can be easy to carry out attended operation.
Other purpose of the present invention is to make a kind of gas burner, and described gas burner is adapted to fit into the culinary art frame that is installed in the vehicle; Safe in utilization, and its reversible fixture reliability and validity problem can not occur.
Summary of the invention
These and other objects realize by first independent claims of institute's prescription and the burner in the dependent claims subsequently.
According to the present invention, the gas burner that is used to cook frame comprises: burner cup, be restricted on the culinary art frame, at least one burner body is installed on described culinary art frame, and at least one loam cake, described loam cake is connected to described burner body removedly, and at least one annular flame diffuser, is designed for to produce at least one crown flame.In addition, described burner is provided with and is used for the device of reversible fixed cover to burner cup, intermediate, and described intermediate is by keeping between lid and the cup.The device that is used for reversibly lid being fixed to cup comprises the lug boss that at least one is integrated into cup and at least one recess that is integrated into lid, perhaps conversely, wherein lug boss can be inserted in the female portion, and can back and forth move within the recess between holding position and the reciprocal off-position.
By the mechanical connection that part is set, the use of action, and avoid elastic part, guaranteed the reliability and the validity of the reversible fixture of burner, described burner structure is simple, does not have elastomeric element, such as tang (tang) and spring, in addition, elastomeric element makes assembling difficult.
In addition, according to a preferred aspect of the present invention, reversible fixture like this is a bayonet type, and comprises at least one pin, and described pin is integrated into burner cup, has the head that is formed, described head is designed to be coupled in the corresponding shell of manufacturing in the part of the bottom of described lid, and in addition, central burner body has one or more hole, perhaps housing, pin and its head move freely within described hole or housing.
Use preferred form of the present invention, consider the easy steps that the user need assemble and remove stage makeup and costume described burner, it is very simple that such structure is proved to be manufacturing, and use and effective.
In further preferred embodiment of the rpesent invention, pin comprises bolt, perhaps other threaded portion, and be integrated into described burner cup in the corresponding shell by being threaded onto, corresponding shell has internal thread, is formed in the described cup.The housing that formed bolt head is used in loam cake comprises that having at least one groove that amplifies release portion enters and remove with the shaping head that allows screw thread.
The specific embodiment
With reference to view as above, according to the present invention, gas burner 1 comprises cup 2, described cup 2 is limited on the culinary art frame 14, central burner body 3 is connected on the described culinary art frame 4, in an illustrated embodiment, central burner body 3 has the annular flame diffuser 4 that is designed at least one flame crown of generation.Removable loam cake 5 is placed on the central burner body 3, to close this latter, and being constrained directly to cup 2 by reversible fixture 9,10, described reversible fixture 9,10 also has the function that between described cup 2 and removable lid 5 central burner body 3 is held in place.
As to shown in optional, annular flame diffuser 4 can be used as be arranged on cover 5 and central burner body 3 between separate part make, perhaps it can be integrally formed with described lid 5.
According to the present invention, reversible fixture comprises at least one lug boss 9, is integrated into cup 2, and at least one recess 10, is integrated into and covers 5, perhaps conversely.Lug boss 9 can be slidably inserted in the recess 10, and it is removable between at least one reciprocal holding position 16 and reciprocal off-position 17 in this latter.
Guaranteed the effective reversible fixing of burner 1 by the mechanical connection that interference fit limited between at least one lug boss 9 and at least one recess 10 in specific reciprocal position, its result is simple, be easy to use.
More specifically, burner 1 in an illustrated embodiment comprises the cup 2 that is provided with from least one injector 7 of the fuel gas that flows such as methane of gas source, according to known technology, and adjustable supply to burner by tube connector 15 and cock (not shown).The cup 2 that is described in more detail below is limited to culinary art frame 14, and its downward extension, because being connected of the shaped portion on the shaped portion of burner body 3 and the identical cup 2, when lid 5 was fixed on the cup 2, described shaped portion clamped the part of identical culinary art frame 14.
Being used for cup 2 is restricted to the optional method and the device of culinary art frame 14, by bolt or spring chuck (clip), be known in the art, and they is not directly related with purpose of the present invention for example.
The centerbody 3 of burner 1 rests in simply on the cup 2 and according to existing art designs and is provided with Venturi tube 8 so that fuel gas is mixed mutually with main air.Advantageously, Venturi tube can be a radial-type, and as shown in Figure 1, even other embodiment of such Venturi tube, perhaps it does not appear in the centerbody 3, does not influence protection scope of the present invention.Similarly, main air stream can by on culinary art frame 14 or from or under obtain, and do not deviate from goal of the invention of the present invention.
Shown in certain embodiments in, central burner body 3 defines doughnut 20, described doughnut 20 is placed on Venturi tube 8 downstreams, and it is provided with the outwardly open otch of difformity, and looping flame spread device 4, described annular flame diffuser 4 is designed to produce circumferential flame crown.But, annular flame diffuser 4, as above mentioned, can from remain on cover 5 and burner body 3 between independent body manufacturing, and form the lateral wall of identical chamber 20.
In the burner in Fig. 1, further by being shaped being constituted by covering 5 downside surface, described downside surface is formed so that partly initially be connected with burner body 3 by the correspondence (can and put) that rests in together the upper wall of doughnut 20.As in the prior art, burner 1 also has grid 11 to support frying pan or saucepan, and thermocouple 13 and ignition plug 12 are installed.
According to the present invention, describe as preceding, burner 1 is provided with reversible fixture 9,10, its shown in burner 1 in be bayonet type, promptly be such type: predict the initial back and forth access phase that at least one lug boss enters recess 10, according to the axial direction that connects, follow the continuous fixedly stage of lug boss 9 and recess 10, this is by rotate lug boss 9 relative recess 10 relatively, thanks to the mode that is formed due to the fact that recess 10 and lug boss 9 and allows them to have reciprocal link position and reciprocal holding position freely.
More specifically, the reversible fixture of burner 1 comprises pair of pin 9,9 ', described pair of pin 9, the A-A diameter of axle of 9 ' relative combustion device extends on the direction that also is being parallel to described axle relatively substantially, this has and is designed for the shaping head 21,21 ' that is coupled in the corresponding shell, and is removed from the inboard.Pin 9,9 ' and housing 10 are configured for fixing the projection and the recessed portion of above-mentioned makeshift device respectively.
Described herein according in burner 1 certain embodiments of the present invention, each is sold 9,9 ' and is integrated into cup 2, and housing 10 is along the downside surface cutting of lid 5, and advantageously constitute and have the wideer release portion 17,17 ' of a plurality of corresponding pin 9,9 ' numbers by the groove that folded edge 16 limited 10 of identical lid 5.Shown in burner 1 in, be used for release pin 9,9 ' head 21,21 ' the part 17,17 ' that broadens is radially relative each other, the pin 9,9 ' that they can be identical relatively like this aligns with pin 9,9 ' in two relative angular position of lid 5.
As mentioned above, the part that broadens 17,17 ' is enough big to enter into groove 10 so that sell 9,9 ' head 21,21 ', and extend towards the A-A of burner 1 axle on limit 16 simultaneously, removes from described groove 10 to place described head 21,21 '.Advantageously, pin 9,9 ' can be threaded so that the special screwed hole (internal thread) that forms is integrated into cup 2 in the cup 2 by being threaded onto.Alternatively, in a unshowned embodiment, pin 9,9 ' and cup 2 can be integrally manufactured, and perhaps they can be integrated with cup 2 by welding.
Centerbody 3 can have the housing or the otch 18,19 of some, the number of corresponding pin 9,9 ', and pin 9,9 ' can freely insert in the mode of sliding, to allow centerbody 3 axially remain on cover between 5 and glasss 2.Advantageously, the housing of body 3 or groove 18,19 can be to make the size not only allow pin 9,9 ' bar portion but also to allow the head 21,21 ' of described pin pass through, because, as shown in the figure, at axial direction (promptly, the maintenance of the burner body 3 the parallel direction to the A-A axle of burner) by entrust to cover 5 and cup 2 between mechanical connection, do not have pin 9,9 ' to influence compressing of burner body 3.In the optional embodiment according to burner of the present invention, pin 9,9 ' also can be outside central burner body 3, and therefore this latter can not have shaping to be attached to above-mentioned pin 9,9 ' part.
The assembling of burner 1 is described herein and removes stage makeup and costume, at first taking place to sell 9,9 ' is threaded onto in the internal thread of the cup 2 that is formed on burner, to allow them be integrated into cup 2, then cup 2 is navigated in the hole that is formed in the culinary art frame 14, and then, cup 2 can be fixed to the culinary art frame by known means such as threaded elements or clip.Along connecing this, centerbody 3 on cup 2 by insert and sliding pin 9,9 ' coaxially with and put part, and the head 21,21 ' that respectively is shaped within the otch 18,19 assembles mutually, described burner body 3 is provided with described otch 18,19.
Pin 9,9 ' is coupled to and has guaranteed body 3 cup 2 centering ideally relatively in the otch 18,19, and this means thus injector 7 will be ideally with appear at identical burner body 3 in the vertical access duct 22 of Venturi tube 8 align.
Lid 5 successfully is placed on the body 3, before simultaneously in described head being inserted into the part 17 of broadening, 17 ' groove 10, at first determine the part 17 of broadening, 17 ' corresponding of groove 10 with pin 9,9 ' head 21,21 ', and last 9, the 9 ' rotatable cover 5 of pin relatively, the head that is shaped like this 21,21 ' is mobile to coincide with the maintenance wall (limit) 16 of identical groove 10 in groove 10.
Be not used under the situation that cup 2 is fixed to culinary art frame 14 in known means, as shown in FIG. 1, because the setting on the limit of the installing hole of the cup 2 that is used for identical surface 14 between burner body 3 and the cup 2, the structure of the length of pin 9,9 ' and burner body 3 and cup 2 can cause that whole burner 1 is connected to culinary art frame 14.When the burner body 3 with suitable shaped region and cup 2 by pin 9,9 ' and groove 10 be limited to a time-out, the limit of described culinary art frame 14 stably is clamped between the described shaped region of aforesaid burner body 3 and glasss 2 then.
For the described burner 1 of removing stage makeup and costume, must repeat the operation of above-mentioned listed reverse sequence.
Because fixture 9 according to described claim, obtain will cover simply, effectively 5 reversible be fixed to glasss 2 possibility and whole thus burner 1 make such burner by extremely safe be installed on the dissimilar vehicles, even when the vehicle (such as on train or steamer) that burner is used to move is gone up, and carry out simultaneously cleaning and attended operation if desired, it allows user's described burner 1 of removing stage makeup and costume rapidly.
The use of the fixture 9,10 of the effect by part is set and thus not the elasticity of demand parts guaranteed in time can not exist with the function reduction of such fixture.
In addition, described in claim, reversible fixture 9,10 allows the users outside of clean burning device 1 simply, and does not need lid 5 is removed from burner body 3, keeps described burner 1 simple in structure simultaneously, and makes economy thus.